Heres the Power Formula that was proven to be working with voltage divider principle... When you buy electrical things like Bulbs, these variables can be computed Truly.
1. Power2 = v squared / R2
> When R2 = R1, proven. X/2 analysis is a shortcut.
2. Power1 = i squared x R1
> To be proven later, Its a source current, of course, this is it.

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